In article <[EMAIL PROTECTED]>,
BIONDI Philippe <[EMAIL PROTECTED]> writes:
> On 19 Nov 1999, Andi Kleen wrote:
>> In article <[EMAIL PROTECTED]>,
>> Alan L Milne <[EMAIL PROTECTED]> writes:
>>
>> This is probably an attempt to do port scanning (e.g. via nmap)
> no it can't be :
> << the IP addresses and ports are the same (i.e. a two-way
> communication has been established). >>
> Port scan begin with two ports :)
Oh, I wasn't paying attention. Trying to connect a port to itself
crashes a lot of older TCP stacks, e.g. some BSDs and some IOS versions
(not Linux though)
-Andi
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